diff --git a/README.md b/README.md
index e22f125..ef82051 100644
--- a/README.md
+++ b/README.md
@@ -12,8 +12,20 @@ to access Ethereum environment and state.
 
 ## Usage
 
+### Documentation
+
 Please visit the [documentation].
 
+### Languages support
+
+| Language                | Supported Versions  |
+| ----------------------- | ------------------- |
+| **C**                   | C90, C99, C11       |
+| **C++** _(helpers)_[^1] | C++11, C++14, C++17 |
+| **Go** _(bindings)_     | 1.9, 1.10, 1.11     |
+
+[^1]: C++ support is provided by C headers and some optional C++ helpers.
+
 ## Related projects
 
 ### EVMs